Subtract 1/40 from 25/7
1st number: 3 4/7, 2nd number: 1/40
25/7 - 1/40 is 993/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
25/7 = 25 × 40/7 × 40 = 1000/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Subtract the two like fractions:
1000/280 - 7/280 = 1000 - 7/280 = 993/280 - In mixed form: 3153/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-1/40 25/7-2/40 25/14-1/40 25/7-1/80 75/7-1/40 25/7-3/40 25/21-1/40 25/7-5/40 25/35-1/40 25/7-7/40 25/49-1/40